xref: /rk3399_ARM-atf/plat/common/plat_bl_common.c (revision a6f340fe58b991882d075eed6916288fe4fa40c5)
1566034fcSSoby Mathew /*
2566034fcSSoby Mathew  * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3566034fcSSoby Mathew  *
4566034fcSSoby Mathew  * SPDX-License-Identifier: BSD-3-Clause
5566034fcSSoby Mathew  */
6566034fcSSoby Mathew 
7566034fcSSoby Mathew #include <arch_helpers.h>
8566034fcSSoby Mathew #include <assert.h>
9566034fcSSoby Mathew #include <bl_common.h>
10566034fcSSoby Mathew #include <debug.h>
11566034fcSSoby Mathew #include <errno.h>
12*a6f340feSSoby Mathew #include <platform.h>
13566034fcSSoby Mathew 
14566034fcSSoby Mathew /*
15566034fcSSoby Mathew  * The following platform functions are weakly defined. The Platforms
16566034fcSSoby Mathew  * may redefine with strong definition.
17566034fcSSoby Mathew  */
18566034fcSSoby Mathew #pragma weak bl2_el3_plat_prepare_exit
19566034fcSSoby Mathew #pragma weak plat_error_handler
20566034fcSSoby Mathew #pragma weak bl2_plat_preload_setup
21566034fcSSoby Mathew #pragma weak bl2_plat_handle_pre_image_load
22566034fcSSoby Mathew #pragma weak bl2_plat_handle_post_image_load
23566034fcSSoby Mathew #pragma weak plat_try_next_boot_source
24566034fcSSoby Mathew 
25566034fcSSoby Mathew void bl2_el3_plat_prepare_exit(void)
26566034fcSSoby Mathew {
27566034fcSSoby Mathew }
28566034fcSSoby Mathew 
29566034fcSSoby Mathew void __dead2 plat_error_handler(int err)
30566034fcSSoby Mathew {
31566034fcSSoby Mathew 	while (1)
32566034fcSSoby Mathew 		wfi();
33566034fcSSoby Mathew }
34566034fcSSoby Mathew 
35566034fcSSoby Mathew void bl2_plat_preload_setup(void)
36566034fcSSoby Mathew {
37566034fcSSoby Mathew }
38566034fcSSoby Mathew 
39566034fcSSoby Mathew int bl2_plat_handle_pre_image_load(unsigned int image_id)
40566034fcSSoby Mathew {
41566034fcSSoby Mathew 	return 0;
42566034fcSSoby Mathew }
43566034fcSSoby Mathew 
44566034fcSSoby Mathew int bl2_plat_handle_post_image_load(unsigned int image_id)
45566034fcSSoby Mathew {
46566034fcSSoby Mathew 	return 0;
47566034fcSSoby Mathew }
48566034fcSSoby Mathew 
49566034fcSSoby Mathew int plat_try_next_boot_source(void)
50566034fcSSoby Mathew {
51566034fcSSoby Mathew 	return 0;
52566034fcSSoby Mathew }
53*a6f340feSSoby Mathew 
54*a6f340feSSoby Mathew #if !ERROR_DEPRECATED
55*a6f340feSSoby Mathew #pragma weak bl2_early_platform_setup2
56*a6f340feSSoby Mathew 
57*a6f340feSSoby Mathew /*
58*a6f340feSSoby Mathew  * The following platform API implementation that allow compatibility for
59*a6f340feSSoby Mathew  * the older platform APIs.
60*a6f340feSSoby Mathew  */
61*a6f340feSSoby Mathew void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1,
62*a6f340feSSoby Mathew 			u_register_t arg2, u_register_t arg3)
63*a6f340feSSoby Mathew {
64*a6f340feSSoby Mathew 	bl2_early_platform_setup((void *)arg1);
65*a6f340feSSoby Mathew }
66*a6f340feSSoby Mathew #endif
67